├── LICENSE
├── README.md
├── index.glsl
└── package.json


/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2018 Jonas Folletête
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/README.md:
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 1 | # glsl-triplanar-mapping
 2 | 📐 GLSL Triplanar texture mapping. glslify format. 
 3 | 
 4 | Inspired by this [article](https://gamedevelopment.tutsplus.com/articles/use-tri-planar-texture-mapping-for-better-terrain--gamedev-13821).
 5 | 
 6 | ## NPM Installation
 7 | 
 8 | ```sh
 9 | npm install glsl-triplanar-mapping
10 | ```
11 | 
12 | ## Usage
13 | 
14 | ```glsl
15 | #pragma glslify: triplanarMapping = require(glsl-triplanar-mapping)
16 | 
17 | void main() {
18 |     vec3 color = triplanarMapping(texture, normal, position);
19 |     gl_FragColor = vec4(color, 1.0);
20 | }
21 | ```
22 | 
23 | ## License
24 | [MIT license](https://github.com/JonasFolletete/glsl-triplanar-mapping/blob/master/LICENSE)


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/index.glsl:
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 1 | vec3 blendNormal(vec3 normal){
 2 | 	vec3 blending = abs(normal);
 3 | 	blending = normalize(max(blending, 0.00001));
 4 | 	blending /= vec3(blending.x + blending.y + blending.z);
 5 | 	return blending;
 6 | }
 7 | 
 8 | vec3 triplanarMapping (sampler2D texture, vec3 normal, vec3 position) {
 9 |   vec3 normalBlend = blendNormal(normal);
10 | 	vec3 xColor = texture2D(texture, position.yz).rgb;
11 | 	vec3 yColor = texture2D(texture, position.xz).rgb;
12 | 	vec3 zColor = texture2D(texture, position.xy).rgb;
13 | 
14 |   return (xColor * normalBlend.x + yColor * normalBlend.y + zColor * normalBlend.z);
15 | }
16 | 
17 | #pragma glslify: export(triplanarMapping)
18 | 


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/package.json:
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 1 | {
 2 |   "name": "glsl-triplanar-mapping",
 3 |   "version": "1.0.1",
 4 |   "description": "📐 GLSL Triplanar texture mapping. glslify format.",
 5 |   "main": "index.glsl",
 6 |   "repository": {
 7 |     "type": "git",
 8 |     "url": "git://github.com/JonasFolletete/glsl-triplanar-mapping.git"
 9 |   },
10 |   "keywords": [
11 |     "glsl",
12 |     "triplanar",
13 |     "triplanar-mapping",
14 |     "mapping",
15 |     "three.js",
16 |     "webgl",
17 |     "glslify"
18 |   ],
19 |   "author": "Jonas Folletête",
20 |   "license": "MIT",
21 |   "bugs": {
22 |     "url": "https://github.com/JonasFolletete/glsl-triplanar-mapping/issues"
23 | 	}
24 | }
25 | 


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